Holding political class to account more efficiently
Since he does not specify how we are to get the political class to change, the fact that he goes back to ancient Greece to back up his argument for change does not make it any more convincing.
Churchill is quoted as saying that democracy is an awful system of government until you think of the alternatives. It looks as if we are stuck with the present system. I would suggest, however, that in the future we hold the political class to account much more efficiently than we have in the past.